CN102085103B - Three-dimensional type-B ultrasound device for realizing conical scanning - Google Patents
Three-dimensional type-B ultrasound device for realizing conical scanning Download PDFInfo
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- CN102085103B CN102085103B CN 200910250069 CN200910250069A CN102085103B CN 102085103 B CN102085103 B CN 102085103B CN 200910250069 CN200910250069 CN 200910250069 CN 200910250069 A CN200910250069 A CN 200910250069A CN 102085103 B CN102085103 B CN 102085103B
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Abstract
The invention discloses a three-dimensional type-B ultrasound device for realizing conical scanning, which is characterized in that: a thrust ball bearing 1, a support sheet, a thrust ball bearing 2 and a nut are sequentially fixed on the outer wall of an inner layer of a shell, a motor 1 and a coupling sheet are connected, a photoelectric encoder 1 is arranged between the nut and the coupling sheet, and two ends of a support rod are respectively and fixedly connected with the coupling sheet and the support sheet; the coupling sheet is fixedly connected with a bearing fixing sheet, a bevel gear 1 and a probe are connected and respectively arranged at two sides of the bearing fixing sheet, and a sensor in the probe is connected with a control circuit board; a motor fixing sleeve is fixed at the periphery of the support sheet, one end of a motor 2 passes through the motor fixing sleeve and is connected with a bevel gear 2, a photoelectric encoder 2 is arranged between the motor 2 and the bevel gear 2, and the bevel gear 2 and the bevel gear 1 are engaged; and the photoelectric encoder 1 and the photoelectric encoder 2 are both connected with the control circuit board which is connected with the program controller. The invention has the advantages of simple structure, convenience of operation, controllable scanning range, simpleness of data process and high scanning efficiency.
Description
[technical field]
The present invention relates to medical instruments field, relate in particular to a kind of three-dimensional type-B ultrasonic diagnostic apparatus of realizing conical scan.
[background technology]
The ultimate principle of B ultrasonic imaging is: launch one group of ultrasound wave to human body, scan by certain direction, according to the time delay of detecting its echo, strong and weak distance and the character that just can judge internal organs.Through the processing of electronic circuit and computer, form the B ultrasonic image.Ultrasound biomicroscopy UBM (is called for short: UBM, English full name: Ultrasound Biomicroscope) be the novel ophthalmology B ultrasonic iconography checkout equipment that grows up early 1990s.UBM utilize PLD control electronic circuit excitation high frequency ultrasound sensor emission high frequency ultrasound as signal source, receive ultrasound echo signal and carry out electronic signal process; Obtain and the digital picture of checking that tissue is relevant, the two dimensional image of end at the moment of similar low power optical microscope effect and different section is provided for people in conjunction with computer image processing technology.At present, clinically widespread usage be the sector scanning ultrasound biomicroscopy UBM.B ultrasonic/the UBM of sector scanning has dual mode in the prior art; First kind is to use the direct current electric rotating machine through one-level rotation-oscillation shifter driving pendulum rod; To rotatablely move and be converted into swing; Have only when the pivot pin radius of turn on its rotating disk equals the pendulum radius of pendulum mass, pendulum mass just can be done at the uniform velocity swing, and probe is swung according to the cosine rule; When the pendulum radius of pivot pin radius of turn and pendulum mass has error, will cause the two ends B ultrasonic image of scanning process serious geometric distortion to occur.Another kind method is to use customization motor direct-drive fork, but its complex structure, the scanning weak effect, accuracy is low, and cost is higher.It is thus clear that the sector scanning ultrasound biomicroscopy UBM is not sufficient to solve a clinical medical difficult problem.
[summary of the invention]
The objective of the invention is provides a kind of three-dimensional type-B ultrasonic diagnostic apparatus of realizing conical scan in order to overcome the deficiency of prior art, and it has characteristics simple to operation, that sweep limits is controlled, the scanogram definition range is big, date processing is simple, scan efficiency is high.
The present invention provides a kind of three-dimensional type-B ultrasonic diagnostic apparatus of realizing conical scan; Comprise: shell, motor one, motor two, shaft coupling sheet, thrust ball bearing one, thrust ball bearing two, support chip, drive link, bearing fixing sheet, probe, motor fixed cover, bevel gear one, bevel gear two, cyclelog and control line plate; It is two-layer inside and outside said shell is provided with; The shell internal layer just is set on the outer wall of motor one; Said support chip is arranged between thrust ball bearing one and the thrust ball bearing two, and thrust ball bearing two belows also are provided with nut, and thrust ball bearing one, support chip, thrust ball bearing two and nut all are fixed on the outer wall of shell internal layer; One end of said motor one passes the shell internal layer and is connected with the shaft coupling sheet, is provided with the photoelectric encoder one that is used to detect motor one rotating speed and corner that is connected with shell internal layer end between nut and the shaft coupling sheet; At least two of said drive link settings, uniform distribution, and its two ends are fixedly connected with support chip with the shaft coupling sheet respectively; The another side of said shaft coupling sheet is fixedly connected with the bearing fixing sheet, and said bevel gear one is connected with probe and bevel gear one and probe are separately positioned on the both sides of bearing fixing sheet, and the other end of popping one's head in is provided with pick off, and this pick off is connected with the control line plate; Said motor fixed cover is fixed on the support chip; And the motor fixed cover is fixed on the outer wall of motor two; And motor 21 ends pass the motor fixed cover and are connected with bevel gear two; Be provided with the photoelectric encoder two that is used to detect motor two rotating speeds and corner between motor two and the bevel gear two, said bevel gear two and bevel gear one supporting engagement; Said photoelectric encoder one all is connected with the control line plate with photoelectric encoder two, and the control line plate is connected with cyclelog; Said shell skin holds said motor two, shaft coupling sheet, thrust ball bearing one, thrust ball bearing two, support chip, nut, drive link, bearing fixing sheet, probe, motor fixed cover, bevel gear one, bevel gear two, photoelectric encoder one and photoelectric encoder two, and the pick off in the said probe stretches out outside the shell.
Said bevel gear one with the probe ways of connecting is: said probe one end is connected with the probe fixed mount, and the bearing fixing sheet is passed in a rotating shaft and two ends are fixedly connected with the probe fixed mount with bevel gear one respectively.
Be provided with deep groove ball bearing in the said bearing fixing sheet, deep groove ball bearing is passed in said rotating shaft.
Said motor 21 ends pass the motor fixed cover: said motor two is connected with the little collar one end, and bevel gear two is connected with the other end of this little collar.
Described drive link is two, is arranged between shaft coupling sheet and the support chip with symmetrical manner.
The present invention compared with prior art has the following advantages:
The setting of motor one, shaft coupling sheet, bearing fixing sheet among the present invention makes probe move in a circle around the axle center of motor one; The setting of motor two, bevel gear one and bevel gear two is converted into the reciprocal circular motion of motor two the reciprocal circle swing of probe; The setting of support chip also moves in a circle around the axle center of motor one when making probe do reciprocal circle swing, has realized the scanning of probe to each position of patient's eye; The rotating speed that may command and adjustment motor one and motor two are set of photoelectric encoder one, photoelectric encoder two, cyclelog and control line plate; The rotation that is set to support chip of thrust ball bearing one, thrust ball bearing two and nut sheet provides support power and assosting effect; And make the rotation of motor one more stable; The scanning better effects if of probe; Sensor emission in the probe is converted into the signal of telecommunication with the reception ultrasound wave and with the ultrasound wave that receives, and through control line plate and connected cyclelog image is handled and be plotted as to this signal of telecommunication.The present invention has simple in structure, and is easy to operate, the advantage that sweep limits is controlled, date processing is simple, scan efficiency is high.
[description of drawings]
Fig. 1 is a kind of uncanned structural representation of three-dimensional type-B ultrasonic diagnostic apparatus of realizing conical scan of the present invention;
Fig. 2 is a kind of decomposition texture sketch map of realizing the three-dimensional type-B ultrasonic diagnostic apparatus embodiment of conical scan of the present invention;
Fig. 3 is a kind of shell mechanism sketch map of realizing the three-dimensional type-B ultrasonic diagnostic apparatus of conical scan of the present invention;
Fig. 4 is the overall appearance sketch map after Fig. 2 assembling;
Fig. 5 is the probe of the present invention track while scan sketch map of scanning downwards;
Fig. 6 is the vertical view of Fig. 5.
[specific embodiment]
Reach technological means and the effect that predetermined purpose is taked for further setting forth the present invention; Below in conjunction with accompanying drawing and preferred embodiment; To a kind of three-dimensional type-B ultrasonic diagnostic apparatus of realizing conical scan that proposes according to the present invention, its specific embodiment, structure, characteristic and effect thereof, explain as after.
The embodiment of the invention provides a kind of three-dimensional type-B ultrasonic diagnostic apparatus of realizing conical scan; Like Fig. 1, shown in Figure 2; It comprises: shell 20, motor 1, motor 22, shaft coupling sheet 3, thrust ball bearing 1, thrust ball bearing 25, support chip 6, drive link 7, bearing fixing sheet 8, probe 9, motor fixed cover 10, bevel gear 1, bevel gear 2 11, cyclelog and control line plate (figure does not show); It is two-layer inside and outside said shell 20 is provided with; As shown in Figure 3, shell 20 internal layers just are set on the outer wall of motor 1.Said support chip 6 is arranged between thrust ball bearing 1 and the thrust ball bearing 25; Thrust ball bearing 1 makes the rotation of support chip 6 more stable with thrust ball bearing 25; Thrust ball bearing 25 belows are provided with nut 15; Thrust ball bearing 1, support chip 6, thrust ball bearing 25 and nut 15 all are fixed on the outer wall of shell 20 internal layers, make the rotation of motor 1 more stable.One end of said motor 1 passes shell 20 internal layers and is connected with shaft coupling sheet 3; Shaft coupling sheet 3 is used to connect motor 1 and bearing fixing sheet 8; Make the bearing fixing sheet 8 and the axle center of motor 1 keep certain distance, support chip 6 all can move in a circle around the axle center of motor 1 with shaft coupling sheet 3.Be provided with the photoelectric encoder 1 that is connected with shell 20 internal layer ends between nut 15 and the shaft coupling sheet 3, this photoelectric encoder 1 is used to detect the rotating speed and the corner of motor 1.Said drive link 7 is provided with at least two; Uniform distribution; And its two ends are fixedly connected with support chip 6 with shaft coupling sheet 3 respectively; Rotate thereby can drive support chip 6 along with the rotation of shaft coupling sheet 3, make the stability and the ability to bear of support chip 6 and shaft coupling sheet 3 better simultaneously, the drive link 7 in the embodiment of the invention is two (see figure 2)s.The another side of said shaft coupling sheet 3 is fixedly connected with bearing fixing sheet 8, and bearing fixing sheet 8 rotates along with the rotation of motor 1, shaft coupling sheet 3 together.Said bevel gear 1 is connected with probe 9 and bevel gear 1 and probe 9 are separately positioned on the both sides of bearing fixing sheet 8, bevel gear 1 with pop one's head in 9 along with the axle center of bearing fixing sheet 8 around motor 1 moves in a circle.9 other ends of popping one's head in are provided with pick off; This pick off is connected with the control line plate; The control line plate is connected with cyclelog, and pick off is used to transmit and receive ultrasound wave and the ultrasound wave that receives is converted into the signal of telecommunication, and control line plate and cyclelog are used for this signal of telecommunication is handled.Said motor fixed cover 10 is fixed on the support chip 6; And motor fixed cover 10 is fixed on the outer wall of motor 22; Motor 22, motor fixed cover 10 move in a circle around motor 1 along with the rotation of support chip 6; Motor 22 generation spinning motions, and motor 221 ends simultaneously pass motor fixed cover 10 and are connected with bevel gear 2 11, are provided with photoelectric encoder 2 14 between motor 22 and the bevel gear 2 11; Photoelectric encoder 2 14 is used to detect the rotating speed and the corner of motor 22, and then extrapolates the pendulum angle of probe 9 by cyclelog and control line plate.Said bevel gear 2 11 and bevel gear one 12 supporting engagements are converted into the reciprocal circular motion of motor 22 the reciprocal circle swing of probe 9.Said photoelectric encoder 1 all is connected with the control line plate with photoelectric encoder 2 14, and the control line plate is connected with cyclelog.Photoelectric encoder 1 can be distinguished rotating speed and the corner that real-time and dynamic detects motor 1 and motor 22 with photoelectric encoder 2 14; Adjust through cyclelog and control line plate; Make the rotating speed of motor 1 and motor 22 reach predefined value, and make the rotation that remains a constant speed of motor 1 and motor 22.These shell 20 skins hold said motor 22, shaft coupling sheet 3, thrust ball bearing 1, thrust ball bearing 25, support chip 6, nut 15, drive link 7, bearing fixing sheet 8, probe 9, motor fixed cover 10, bevel gear 1, bevel gear 2 11, photoelectric encoder 1 and photoelectric encoder 2 14; And the pick off in the said probe 9 stretches out outside the shell 20; As shown in Figure 4; Shown in shell 20 not only play the effect of its internal structure of protection, and make the overall appearance of apparatus of the present invention more attractive in appearance.
As shown in Figure 1; Bevel gear described in the embodiment of the invention 1 with probe 9 ways of connecting is: said probe 9 one ends are connected with probe fixed mount 16, and bearing fixing sheet 8 is passed in a rotating shaft 17 and two ends are fixedly connected with probe fixed mount 16 with bevel gear 1 respectively.Be provided with deep groove ball bearing 18 in the said bearing fixing sheet 8, deep groove ball bearing 18 is passed in said rotating shaft 17.Said motor 221 ends of the embodiment of the invention pass motor fixed cover 10: said motor 22 is connected with the little collar 19 1 ends, and bevel gear 2 11 is connected (seeing shown in Figure 2) with the little collar 19 other ends.Drive link 7 among the present invention does not limit to two, can be provided with many.
Operation principle of the present invention is: at first open the present invention by the rotating speed of predefined motor 1 and the rotating speed of motor 22; Motor 1 begins to rotate; Rotate in shaft coupling sheet 3, support chip 6, bearing fixing sheet 8 and the 9 corresponding axle center around motor 1 of popping one's head in; Produce revolution, realize whole circular motion.Motor fixed cover 10 is along with support chip 6 is also done revolution motion; Carry out spinning motion when doing revolution motion with motor fixed cover 10 fixed motors 22; Motor 22 drives bevel gear 2 11 and carries out reciprocal circular motion around the axle center of motor 22; Bevel gear 1 and bearing fixing sheet 8 are converted into the reciprocal circle swing of probe 9 with the reciprocal circular motion of bevel gear 2 11, and probe 9 is simultaneously along with motor 1 moves in a circle.The sensor emission of probe in 9 with receive ultrasound wave, probe 9 is converted into the signal of telecommunication with the ultrasound wave that receives, and through control line plate and connected cyclelog this signal of telecommunication is handled and the drafting pattern picture, realizes the scanning to each position of patient's eye.In work process of the present invention; Photoelectric encoder 1 constantly produces level along with the circular motion of motor 1 and motor 22 respectively with photoelectric encoder 2 14 and changes A and level variation B; Level variation A that produces and level variation B are separately converted to digital signal, by cyclelog and control line plate this digital signal are handled again, calculate the actual speed of motor 1 and motor 22; The actual speed of motor 1 and motor 22 is compared with predefined rotating speed respectively; Convert comparative result to signal and feed back to the control line plate simultaneously, through the size of current of control line plate adjustment motor 1 and motor 22, and then the rotating speed of change motor 1 and motor 22; Make the rotating speed of motor 1 and motor 22 reach preset value, and make the rotating speed of motor 1 and motor 22 reach evenly constant effect.The present invention adopts the detection signal of photoelectric encoder 2 14 to inspire the scanning of 9 pairs of eyes of probe; As can be set to when certain point on the photoelectric encoder 2 14 turns to 0 ° and 50 °, trigger respectively the scanning of the 9 pairs of eyes of once popping one's head in; The track while scan of probe 9 scanning downwards is as shown in Figure 5, wherein pops one's head in 9 under the effect of motor 22, bevel gear 1, bevel gear 2 11 and bearing fixing sheet 8, and probe 9 swings back and forth and makes its track while scan form concave surface; Fig. 6 is the vertical view of Fig. 5; Fig. 6 center of circle is the center of probe 9 swings, and probe 9 is under the drive of motor 1, shaft coupling sheet 3 and support chip 6, and its track while scan forms circumference.
The setting of motor 1, shaft coupling sheet 3, bearing fixing sheet 8 among the present invention moves in a circle probe 9 axle center around motor 1; The setting of motor 22, bevel gear 1 and bevel gear 2 11 is converted into the reciprocal circular motion of motor 22 the reciprocal circle swing of probe 9; The setting of support chip 6 also moves in a circle around the axle center of motor 1 when making probe 9 do reciprocal circle swing, the scanning at 9 pairs of each positions of patient's eye of having realized popping one's head in; The rotating speed that may command and adjustment motor 1 and motor 22 are set of photoelectric encoder 1, photoelectric encoder 2 14, cyclelog and control line plate; The rotation that is set to support chip 6 of thrust ball bearing 1, thrust ball bearing 25 and nut 15 provides support power and assosting effect; And make the rotation of motor 1 more stable; The scanning better effects if; 9 inner sensors of popping one's head in transmit and receive ultrasound wave and the ultrasound wave that receives are converted into the signal of telecommunication, through control line plate and connected cyclelog image is handled and be plotted as to this signal of telecommunication.The present invention has simple in structure, and is easy to operate, the advantage that sweep limits is controlled, date processing is simple, scan efficiency is high.
In this description, the present invention is described with reference to its certain embodiments, still, still can make various modifications and conversion obviously and does not deviate from the spirit and scope of the present invention.Therefore, description of the present invention and accompanying drawing are considered to illustrative and nonrestrictive.
Claims (5)
1. three-dimensional type-B ultrasonic diagnostic apparatus of realizing conical scan; It is characterized in that; Comprise: shell, motor one, motor two, shaft coupling sheet, thrust ball bearing one, thrust ball bearing two, support chip, drive link, bearing fixing sheet, probe, motor fixed cover, bevel gear one, bevel gear two, cyclelog and control line plate; Two-layer inside and outside said shell is provided with, the shell internal layer just is set on the outer wall of motor one, and said support chip is arranged between thrust ball bearing one and the thrust ball bearing two; Thrust ball bearing two belows also are provided with nut, and thrust ball bearing one, support chip, thrust ball bearing two and nut all are fixed on the outer wall of shell internal layer; One end of said motor one passes the shell internal layer and is connected with the shaft coupling sheet, is provided with the photoelectric encoder one that is used to detect motor one rotating speed and corner that is connected with shell internal layer end between nut and the shaft coupling sheet; At least two of said drive link settings, uniform distribution, and its two ends are fixedly connected with support chip with the shaft coupling sheet respectively; The relative another side of this face that is connected with drive link of said shaft coupling sheet is fixedly connected with the bearing fixing sheet; Said bevel gear one is connected with probe and bevel gear one is separately positioned on the both sides of bearing fixing sheet with popping one's head in; The relative other end of this end that is connected with bevel gear one of probe is provided with pick off, and this pick off is connected with the control line plate; Said motor fixed cover is fixed on the support chip; And the motor fixed cover is fixed on the outer wall of motor two; And motor 21 ends pass the motor fixed cover and are connected with bevel gear two; Be provided with the photoelectric encoder two that is used to detect motor two rotating speeds and corner between motor two and the bevel gear two, said bevel gear two and bevel gear one supporting engagement; Said photoelectric encoder one all is connected with the control line plate with photoelectric encoder two, and the control line plate is connected with cyclelog; Said shell skin holds said motor two, shaft coupling sheet, thrust ball bearing one, thrust ball bearing two, support chip, nut, drive link, bearing fixing sheet, probe, motor fixed cover, bevel gear one, bevel gear two, photoelectric encoder one and photoelectric encoder two, and the pick off in the said probe stretches out outside the shell.
2. a kind of three-dimensional type-B ultrasonic diagnostic apparatus of realizing conical scan as claimed in claim 1; It is characterized in that; Said bevel gear one with the probe ways of connecting is: said probe one end is connected with the probe fixed mount, and the bearing fixing sheet is passed in a rotating shaft and two ends are fixedly connected with the probe fixed mount with bevel gear one respectively.
3. a kind of three-dimensional type-B ultrasonic diagnostic apparatus of realizing conical scan as claimed in claim 2 is characterized in that, is provided with deep groove ball bearing in the said bearing fixing sheet, and deep groove ball bearing is passed in said rotating shaft.
4. a kind of three-dimensional type-B ultrasonic diagnostic apparatus of realizing conical scan as claimed in claim 3; It is characterized in that; Said motor 21 ends pass the motor fixed cover: said motor two is connected with the little collar one end, and bevel gear two is connected with the other end of this little collar.
5. a kind of three-dimensional type-B ultrasonic diagnostic apparatus of realizing conical scan as claimed in claim 1 is characterized in that described drive link is two, is arranged between shaft coupling sheet and the support chip with symmetrical manner.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200910250069 CN102085103B (en) | 2009-12-03 | 2009-12-03 | Three-dimensional type-B ultrasound device for realizing conical scanning |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200910250069 CN102085103B (en) | 2009-12-03 | 2009-12-03 | Three-dimensional type-B ultrasound device for realizing conical scanning |
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| Publication Number | Publication Date |
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| CN102085103A CN102085103A (en) | 2011-06-08 |
| CN102085103B true CN102085103B (en) | 2012-12-19 |
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| CN 200910250069 Active CN102085103B (en) | 2009-12-03 | 2009-12-03 | Three-dimensional type-B ultrasound device for realizing conical scanning |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN103169494A (en) * | 2011-12-22 | 2013-06-26 | 深圳市威尔德医疗电子有限公司 | Three-dimensional ultrasound probe used in ultrasound medical equipment |
| CN113100829B (en) * | 2021-03-15 | 2021-12-07 | 中国医学科学院生物医学工程研究所 | Anterior segment three-dimensional ultrasonic scanning imaging device and method |
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